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參數(shù)資料
| 型號(hào)： | DS1842N+T&R |
| 廠商： | Maxim Integrated |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 210K |
| 描述： | IC CURRENT MONITOR 14TDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 功能： | 電流監(jiān)控器 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-WFDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 14-TDFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
General Description
The DS1842 integrates the discrete high-voltage com-
ponents necessary for avalanche photodiode (APD)
bias and monitor applications. A switch FET is used in
conjunction with an external DC-DC controller to create
a boost DC-DC converter. A current clamp limits cur-
rent through the APD and also features an external
shutdown. The device also includes a dual current mir-
ror to monitor the APD current.
Applications
APD Biasing
GPON Optical Network Unit and Optical Line
Transmission
Features
f 76V Maximum Boost Voltage
f Switch FET
f Current Monitor with a Wide 1?/SPAN>A to 2mA Range,
Fast 50ns Time Constant, and 10:1 and 5:1 Ratio
f 2mA Current Clamp with External Shutdown
f Multiple External Filtering Options
f 3mm x 3mm, 14-Pin TDFN Package with Exposed Pad
76V, APD, Bias Output Stage with
Current Monitoring
________________________________________________________________ Maxim Integrated Products 1
Ordering Information
19-4557; Rev 1; 3/11
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxims website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
DS1842N+
-40癈 to +85癈
14 TDFN-EP*
DS1842N+T&R
-40癈 to +85癈
14 TDFN-EP*
Pin Configuration appears at end of data sheet.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
*EP = Exposed pad.
DS1875
DS1842
SW
FB
D2
COMP
MON3
LX
GATE
GND
MIRIN
MIR1
CLAMP
MIROUT
3.3V
CURRENT MIRROR
CURRENT
LIMIT
MIR2
C
BULK
C
COMP
R
COMP
EXTERNAL MONITOR
TIA
APD
ROSA
Typical Application Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| DS1843 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Fast Sample-and-Hold Circuit |
| DS1843_12 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Fast Sample-and-Hold Circuit |
| DS1843D | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Fast Sample-and-Hold Circuit |
| DS1843D TRL | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Fast Sample-and-Hold Circuit |
| DS1843D+ | 功能描述:采樣&保持放大器 Fast Sample & Hold Circuit RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 捕獲時(shí)間:20 us 電源電壓-最大:18 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-14 封裝:Tube |
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